CATALOG NUMBER 38 BUILT ON SAFETY. MADE RIGHT HERE. STEMCO is a registered trademarks of STEMCO Products Inc. Printed in the USA. © 2026 STEMCO Products Inc. | Part No. XXX-XXXX | Rev. 10/26 For more than 75 years, STEMCO® has earned the trust of the commercial vehicle industry by putting safety first and standing behind the products and people that keep our roadways moving. OUR REPUTATION. Leadership isn’t something you claim. It’s something you earn. For more than 75 years, STEMCO has worked hard to earn it by continuously improving, advancing wheel-end and steering technology, and supporting the people who depend on our products. Our warranties, service, and support are part of that promise: to stand behind what we make and the customers who count on us. 75+ years strong. Made in the USA. Driven by safety. Learn more at stemco.com WHAT STEMCO STANDS FOR. SAFETY It comes first. Every product we engineer is designed to help keep the roadways safer. QUALITY Our cutting-edge research and design center, expert engineers and rigorous quality control processes work together to ensure the quality and consistency our customers count on. LONGEVITY Products engineered for lasting performance help fleets spend more time on the road and less time dealing with downtime. TRUST Our commitment doesn't end with the product. We stand behind our customers with industry-leading warranties, service, and support. MADE IN THE USA. For STEMCO, Made in the USA is more than where our products come from. With manufacturing facilities in Longview, Texas and Millington, Michigan, it represents our commitment to quality, consistency, and dependability, as well as the communities where we live and work.
MIDWESTWHEEL.COM MEMBER KANSAS CITY 5801 E. Front St. Main ....(816) 471-1552 Parts....(800) 821-7402 JOPLIN 2424 Stephens Blvd. Main ....(417) 717-6022 Parts....(866) 318-9111 SPRINGFIELD 812 Lillian Dr. ∙ Strafford, MO Main ....(417) 429-2476 Parts....(800) 785-3705 SIOUX CITY 1819 4th St. Main ....(712) 252-7969 Parts....(800) 943-3534 CEDAR RAPIDS 200 50th Ave. S.W. Main ....(319) 365-4453 Parts....(800) 332-5435 DES MOINES 1436 E. Ovid Ave. Main ....(515) 265-1491 Parts....(800) 888-0248 CLEAR LAKE 840 Hwy. 18 W. Main ....(641) 357-7101 Parts....(800) 397-5630 DAVENPORT 8502 Northwest Blvd. Main ....(563) 322-2671 Parts....(800) 553-1886 OMAHA 9770 S 142nd Street, Suite 1 Main ....(531) 239-3050 Parts....(800) 322-8757 NEBRASKA IOWA MISSOURI October 26, 2026 (38StemcoMadeinUSA) Discover XR Cross Reference Guide APPLICATION DISCOVER XR P/N INNER BEARING HUB TOOL PART NUMBER BEARING GUIDE Pro-Par Trailer Axle: Fruehauf, Eaton P-22, Meritor TP, Dana 373-0423 551-5401 570-0025 22,500# Trailer Axle: Meritor, Standard Forge, Dana, Eaton 373-0443 551-5412 570-0026 12,000# Front Axle: Meritor, Eaton, Ford, Freightliner, Kenworth, Western Star, Navistar, Peterbilt, Volvo GM 383-0436 551-5346 570-0020 16,000# Front Axle: Ford, Navistar, Mack, Meritor, White, Kenworth, Western Star, Peterbilt, Volvo GM 383-0464 551-5327 570-0022 38,000#, 46,000# Tandem Axles: Eaton, Ford, Freightliner, Kenworth, Western Star, Peterbilt, Meritor, Navistar, Volvo GM 393-0473 594 or 551-5320 570-0028 DISCOVER HIGH PERFORMANCE AND REVOLUTIONARY DESIGN Installation Force Comparison Discover XR Interchange DISCOVER XR SKF CLASSIC SKF PLUS XL NATIONAL NATIONAL GOLD 373-0423 42623 42627 370065A 380065A 373-0443 46305 46300 370025A 380025A 383-0436 35066 35058 370001A 380001A 383-0464 43764 43671 370048A 380048A 393-0473 47697 47692, 47691** 370003A 380003A **The 47691 is a narrow OE version. Discover XR Seal Design Features Bonded rubber OD offers easy installation with piloted entry Rugged, modular design avoids installation damage GlideLock™ High temperature elastomeric co-polymer sealing element incorporating hydrodynamic pumping features Slinger Four-zone labyrinth provides unmatched contaminant exclusion UNITED STATES | 800-527-8492 | 903-758-9981 300 Industrial Drive Longview, Texas 75602 | US 4641 Industrial Drive Millington, Michigan 48746 | US MEXICO | 444-804-1736 Eje Central Sahop No 215, Zona Ind San Luis Potosi SLP 78395 | Mexico AUSTRALIA, NEW ZEALAND, PAPUA 011-61-2-9793-2599 Discover XR Cross Reference Guide APPLICATION DISCOVER XR P/N INNER BEARING HUB TO PART NUM Pro-Par Trailer Axle: Fruehauf, Eaton P-22, Meritor TP, Dana 373-0423 HM518445 551-54 22,500# Trailer Axle: Meritor, Standard Forge, Da 373-0443 HM218248 551-54 12,000# Front Axle: Meritor, Eaton, Ford, Freightli Kenworth, Western Star, Navistar, Peterbilt, Volvo 383-0436 HM212049 551-53 16,000# Front Axle: Ford, Navistar, Mack, Meritor White, Kenworth, Western Star, Peterbilt, Volvo GM 383-0464 6461A 551-53 38,000#, 46,000# Tandem Axles: Eaton, Ford, Freig , Kenworth, Western Star, Peterbilt, Meritor, Navistar, Volvo GM 393-0473 594 or 594A 551-53 DISCOVER HIGH PERFORMANCE AND REVOLUTIONARY DESIGN Installation Force Com Discover XR Interchange DISCOVER XR SKF CLASSIC SKF PLUS XL NATIONAL NATIONAL GOLD 373-0423 42623 42627 373-0443 46305 46300 383-0436 35066 35058 383-0464 43764 43671 393-0473 47697 47692, 47691** **The 47691 is a narrow OE version. Discover XR Seal Design Features Bonded rubber OD offers easy installation with piloted entry Rugged, modular design avoids installation damage GlideLock™ High temperature elastomeric co-polymer sealing element incorporating hydrodynamic pumping features Slinger Four-zone labyrinth provides unmatched contaminant exclusion UNITED STATES | 800-527-8492 | 903-758-9981 300 Industrial Drive Longview, Texas 75602 | US 4641 Industrial Drive MEXICO | 444-804-1736 Eje Central Sahop No 215, Zona Ind San Luis Potosi SLP 78395 | Mexico AUSTRALIA, NEW ZEALAND, PAPUA Discover XR Cross Reference Guide APPLICATION DISCOVER XR P/N INNER BEARING HUB TOOL PART NUMBER BEARING GUIDE Pro-Par Trailer Axle: Fruehauf, Eaton P-22, Meritor TP, Dana 373-0423 HM518445 551-5401 570-0025 22,500# Trailer Axle: Meritor, Standard Forge, Dana, Eaton 373-0443 HM218248 551-5412 570-0026 12,000# Front Axle: Meritor, Eaton, Ford, Freightliner, Kenworth, Western Star, Navistar, Peterbilt, Volvo GM 3 HM212049 551-5346 570-0020 16,000# Front Axle: Ford, Navistar, Mack, Meritor, White, Kenworth, Western Star, Peterbilt, Volvo GM 3 6461A 551-5327 570-0022 38,000#, 46,000# Tandem Axles: Eaton, Ford, Freightliner, Kenworth, Western Star, Peterbilt, Meritor, Navistar, Volvo GM 39 594 or 594A 551-5320 570-0028 DISCOVER HIGH PERFORMANCE AND REVOLUTIONARY DESIGN Installation Force Comparison Discover XR Interchange DISCOVER XR SKF CLASSIC SKF PLUS XL NATIONAL NATIONAL GOLD 373-0423 42623 42627 370065A 380065A 373-0443 46305 46300 370025A 38 383-0436 35066 35058 370001A 380001A 383-0464 43764 43671 370048A 380048A 393-0473 47697 47692, 47691** 370003A 380003A **The 47691 is a narrow Discover XR Seal Design Features Bonded rubber OD offers easy installation with piloted entry Rugged, modular design avoids installation damage GlideLock™ High temperature elastomeric co-polymer sealing element incorporating hydrodynamic pumping features Slinger Four-zone labyrinth provides unmatched contaminant exclusion UNITED STATES | 800-527-8492 | 903-758-9981 300 Industrial Drive Longview, Texas 75602 | US 4641 Industrial Drive Millington, Michigan 48746 | US CANADA | 877-232-9111 | 905-206-9700 1020 Lorimar Drive Mississauga, ON L55 1R8 | Canada MEXICO | 444-804-1736 Eje Central Sahop No 215, Zona Ind San Luis Potosi SLP 78395 | Mexico AUSTRALIA, NEW ZEALAND, PAPUA 011-61-2-9793-2599 2/198 Walters Road Arndell Park NSW 2148 | Australia STEMCO, Discover XR, Guardian, Pro-Torq, Zip-Torq, Auto-Torq and Sentinel are registered trademarks of STEMCO Products Inc. Printed in the USA. Learn more at stemco.com HM518445 HM218248 HM212049 370065A 380065A 370025A 380025A 370001A 380001A 370048A 380048A 370003A 380003A 6461A 594A
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